2931842129 has 2 divisors, whose sum is σ = 2931842130. Its totient is φ = 2931842128.

The previous prime is 2931842119. The next prime is 2931842141. The reversal of 2931842129 is 9212481392.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2804761600 + 127080529 = 52960^2 + 11273^2 .

It is a cyclic number.

It is not a de Polignac number, because 2931842129 - 2²⁴ = 2915064913 is a prime.

It is not a weakly prime, because it can be changed into another prime (2931842119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1465921064 + 1465921065.

It is an arithmetic number, because the mean of its divisors is an integer number (1465921065).

Almost surely, 2^2931842129 is an apocalyptic number.

It is an amenable number.

2931842129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2931842129 is an equidigital number, since it uses as much as digits as its factorization.

2931842129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 41.

The square root of 2931842129 is about 54146.4876884919. The cubic root of 2931842129 is about 1431.2434990291.

The spelling of 2931842129 in words is "two billion, nine hundred thirty-one million, eight hundred forty-two thousand, one hundred twenty-nine".